4495861 has 4 divisors (see below), whose sum is σ = 4550112. Its totient is φ = 4441612.

The previous prime is 4495849. The next prime is 4495867. The reversal of 4495861 is 1685944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4495861 - 2¹¹ = 4493813 is a prime.

It is a super-2 number, since 2×4495861² = 40425532262642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4495861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4495867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27001 + ... + 27166.

It is an arithmetic number, because the mean of its divisors is an integer number (1137528).

Almost surely, 2^4495861 is an apocalyptic number.

It is an amenable number.

4495861 is a deficient number, since it is larger than the sum of its proper divisors (54251).

4495861 is an equidigital number, since it uses as much as digits as its factorization.

4495861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54250.

The product of its digits is 34560, while the sum is 37.

The square root of 4495861 is about 2120.3445474734. The cubic root of 4495861 is about 165.0457295961.

It can be divided in two parts, 4495 and 861, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4495861 in words is "four million, four hundred ninety-five thousand, eight hundred sixty-one".